INTT vs RFIL: Correlation
How closely do inTest Corporation (INTT) and RF Industries, Ltd. (RFIL) trade together? Their weekly returns over three years give a correlation of 0.42, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are INTT and RFIL?
Over the past 3 years, INTT and RFIL moved with a correlation of 0.42, which is moderate. Recent behaviour matches the longer record: 0.49 over 1 year against 0.42 over 3. Over 5 years the correlation is 0.35, and the annualized covariance of weekly returns is 1451.2 %².
Within INTT's tracked universe of 12 assets, RFIL comes in at #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with INTT ahead by 15.0 points (+62.4% versus +47.4%).
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
INTT vs RFIL: side by side
| INTT (inTest Corporation) | RFIL (RF Industries, Ltd.) | |
|---|---|---|
| 1-year return | +62.4% | +47.4% |
| 5-year return | -9.0% | +32.3% |
| Volatility (ann.) | 51.5% | 67.8% |
| Beta vs S&P 500 | 1.19 | 0.66 |
| Max drawdown (3Y) | -67.7% | -50.7% |
| Market cap | $0.1B | $0.1B |
| P/E (trailing) | 165.4 | 83.5 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | INTT | RFIL |
|---|---|---|
| 2022 | -19.0% | -35.8% |
| 2023 | +32.0% | -40.9% |
| 2024 | -36.8% | +28.6% |
| 2025 | -13.0% | +47.8% |
| 2026 | +55.0% | +87.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are INTT and RFIL good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between INTT and RFIL?
The INTT/RFIL correlation stands at 0.42 on a 3-year window (1 year: 0.49, 5 years: 0.35), computed from weekly returns as of 2026-08-27.
Is RFIL a good diversifier for INTT?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.42 mean?
On the −1 to +1 scale, 0.42 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
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Related comparisons
Hubs: INTT correlations · RFIL correlations